Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects simply to a non-technical, business audience. Over…
The wireless spectrum consists of electromagnetic radiation and frequency bands. Respective countries have their own wireless spectra with ranges up to 300 GHz. The wireless spectrum frequencies used in communication are regulated by national organizations, which specify which frequency ranges can be used by whom and for which purpose.
Radio-channel and channel-frequency variation is quite complex because radio propagation characteristics are a result of both man-made and natural factors. Government entities own frequency channels, which are divided according to common frequency band characteristics and cause performance breaks at different frequency levels, where only windows of continuity are available.
The wireless technology boom has created divisions in spectrum allocation. The International Telecommunications Union (ITU) divides the world into three different regions that influence wireless signal propagation:
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Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.
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